_=ID:String,VALUE_ID:String,CLASS_TEXT:String,NUMERIC_VALUE:Integer
f1=f1|f1|numeric|1
f2=f2|x|literal|0
f3=f3|y|numeric|0
f4=f4|f4|<null>|1
f5=f5|y|literal|0
f6=f6|f6|invalid|1000
